Crossmember Differences:700R4 & 4L60E
Thread Starter
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Crossmember Differences:700R4 & 4L60E
i recently won what looks like a Spohn tranny crossmember on ebay.they claimed that this crossmember is used in a LS1 4L60E swap into a 3rd gen f-body.my question is how much of a difference is there between the 700R4 and 4L60E crossmember mounting points?i know i'll have to do some fabrication just want to get an ideal as to what i'm gonna need to do to make it work with a 700R4.
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Joined: Feb 2000
Posts: 7,015
Likes: 2
From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
In my friends car we used the stock cross member and added a roughly 3/4 inch piece to it to properly locate the trans with the stock mount.
Meaning, we basically moved the trans mount hole back about 3/4 of an inch.
later
Jeremy
Meaning, we basically moved the trans mount hole back about 3/4 of an inch.
later
Jeremy
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